_win32serialport.py 文件源码

def _finishPortSetup(self):
        """
        Finish setting up the serial port.

        This is a separate method to facilitate testing.
        """
        flags, comstat = win32file.ClearCommError(self._serial.hComPort)
        rc, self.read_buf = win32file.ReadFile(self._serial.hComPort,
                                               win32file.AllocateReadBuffer(1),
                                               self._overlappedRead)